CVE-2021-29102 : Vulnerability Insights and Analysis

A Server-Side Request Forgery (SSRF) vulnerability has been identified in Esri ArcGIS Server Manager version 10.8.1 and below, potentially allowing remote attackers to forge GET requests to arbitrary URLs, leading to network enumeration or other potential attacks.

Understanding CVE-2021-29102

This section provides insights into the nature of the vulnerability.

What is CVE-2021-29102?

CVE-2021-29102 refers to a Server-Side Request Forgery (SSRF) vulnerability found in ArcGIS Server Manager version 10.8.1 and earlier. This flaw could enable unauthorized remote attackers to manipulate GET requests to any URL from the system.

The Impact of CVE-2021-29102

The critical severity of this vulnerability lies in the potential network enumeration and facilitation of other attacks by malicious actors who exploit the SSRF weakness.

Technical Details of CVE-2021-29102

In this section, we delve into the specifics of the vulnerability.

Vulnerability Description

The SSRF vulnerability in ArcGIS Server Manager 10.8.1 and below allows unauthenticated attackers to send fraudulent GET requests to arbitrary URLs from the system, opening avenues for network reconnaissance and other malicious activities.

Affected Systems and Versions

The vulnerability affects ArcGIS Server Manager versions 10.8.1 and earlier, with all platforms running on x64.

Exploitation Mechanism

The flaw can be exploited by remote, unauthenticated attackers to manipulate GET requests to any URL, potentially leading to severe consequences including network enumeration and further exploitation.

Mitigation and Prevention

This section outlines steps to mitigate the risk associated with CVE-2021-29102.

Immediate Steps to Take

Users are advised to apply security patches released by Esri promptly.
Implement strict firewall rules to restrict unnecessary outbound traffic.
Monitor and analyze network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update ArcGIS Server Manager to the latest patched versions.
Conduct security audits and penetration testing to identify vulnerabilities proactively.
Educate staff members on cybersecurity best practices and awareness.

Patching and Updates

Esri has released security updates to address the SSRF vulnerability in ArcGIS Server Manager versions. Users are strongly recommended to apply these patches immediately.